Motor housing of an electric fan



FIG. 1 is a perspective view of the motor housing of an electric fan of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a right perspective view thereof;

FIG. 6 is a left perspective view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a motor housing of an electric fan, as shown. 